question

HidetoshiDekisugi-9332 avatar image
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HidetoshiDekisugi-9332 asked HidetoshiDekisugi-9332 commented

KB5003637 fails to install

I'll be straight to the point.

Tried installing the update from Windows Update. Stuck at Downloading - 100%.

Tried installing from the Microsoft Update Catalog, it fails with an error message 'This update is not applicable to your computer.'
The file I downloaded had the same title as it was shown in Windows Update.

Tried using the Windows 10 Update Assistant to get the job done, but it showed I'm up to date because I'm already running version 21H1.

Very frustrating. Please help.

windows-10-generalwindows-10-setup
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TeemoTang-MSFT avatar image
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TeemoTang-MSFT answered

If Windows update Assistant says you are in Windows 10 21H1, your current version is 21H1, just not the latest build.
You must install the May 11, 2021 update (KB5003173) before installing the latest cumulative update (LCU).

Let’s reset windows update components firstly.
Right click on the start button and select Powershell (admin) or Command Prompt (admin)
Write the next hit enter after each line.

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Ren C:\Windows\System32\catroot2 Catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver

After completed, manually install KB5003173 from Microsoft update catalog, then check updates again or manually install the latest LCU KB5004760(which is newer than KB5003637).


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DSPatrick avatar image
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DSPatrick answered HidetoshiDekisugi-9332 commented

fails with an error message 'This update is not applicable to your computer.'

I'd check the prerequisites have been installed.
https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598481
https://www.catalog.update.microsoft.com/Search.aspx?q=KB5003173

--please don't forget to upvote and Accept as answer if the reply is helpful--






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Thank you for the answer. Yes, the prerequisites have been installed.

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